t

local tArgs ={...}
local torchLoc = 1
local torchDist = 6

function findTorchLoc()
  torchLoc = 0
  for i = 1,16 do
    local data = turtle.getItemDetail(i)
--    print("i",i)
    if turtle.getItemCount(i) > 0 then
      if data.name == "minecraft:torch" then
        torchLoc = i
        print("torchLoc: ", torchLoc)
      end
    end
  end
end

function placeTorch()
  findTorchLoc()
  if torchLoc > 0 then
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.select(torchLoc)
    turtle.place()
    turtle.turnLeft()
    turtle.turnLeft()
  end
end

function checkFuel()
  local slot = 1
  while turtle.getFuelLevel() < 80 do
    print("Fuel Level:", turtle.getFuelLevel())
    for i=1,16 do
      turtle.select(i)
      turtle.refuel(20)
    end
    print("Fuel Level:", turtle.getFuelLevel())
  end
end

function findSlot(ItemName)
    for i =1,16 do
      if turtle.getItemCount(i) > 0 then
        -- print(turtle.getItemCount(i))
        local data2 = turtle.getItemDetail(i)
--        print(data2.name)
--        print(ItemName)
        if ItemName == data2.name then
          return
        end
      end
    end
end

function dig(direction)
  if direction == "up" then
    local success, data = turtle.inspectUp()
    turtle.digUp()
  elseif direction == "down" then
    local success, data = turtle.inspectDonw()
    while data.name ~= "minecraft:gravel" do
      turtle.digDown()
    end
    findSlot(data.name)
    turtle.digDown()
  else
    local succ, data = turtle.inspect()
    while data.name == "minecraft:gravel" do
      turtle.dig()
      succ, data = turtle.inspect()
      print(data.name)
    end
    findSlot(data.name)
    turtle.dig()
  end
end

function digForward()
  dig()
  turtle.forward()
  dig("up")
  turtle.turnLeft()
  dig()
  turtle.up()
  dig()
  turtle.turnLeft()
  turtle.turnLeft()
  dig()
  turtle.down()
  dig()
  turtle.turnLeft()
end



distance = 1



local startFace = 0
distance = tArgs[1]
if tArgs[2] == "right" then
  print ("Digging forward and to the right")
  startFace = 2
elseif tArgs[2] == 'left' then
  print ("Digging forward and to the left")
  startFace = 1
end

findTorchLoc()
local continue = true

while continue do
  local currentDist = 1
  for i = 1, distance do
    checkFuel()
    digForward()
    currentDist = currentDist + 1
    if math.fmod(currentDist, torchDist) == 0 then
      placeTorch()
    end
  end

  if startFace == 1 then
    turtle.turnLeft()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    startFace = 2
  elseif startFace == 2 then
    turtle.turnRight()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
    startFace = 1
  elseif startFace == 0 then
    continue = false
  end
end